package com.xzh.gulimall.product.exception;

import com.xzh.common.exception.BizCodeEnume;
import com.xzh.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/*
* 集中处理所有异常*/
@Slf4j
@RestControllerAdvice(basePackages = "com.xzh.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    //MethodArgumentNotValidException参数类型的异常
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errormap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((item)->{
            errormap.put(item.getField(),item.getDefaultMessage());

        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errormap);
    }

    //所有异常均能匹配这里
    /*@ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }*/
}
